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EP2887099A3 - Method and apparatus for determination of uknown radiation dose - Google Patents

Method and apparatus for determination of uknown radiation dose Download PDF

Info

Publication number
EP2887099A3
EP2887099A3 EP15154231.3A EP15154231A EP2887099A3 EP 2887099 A3 EP2887099 A3 EP 2887099A3 EP 15154231 A EP15154231 A EP 15154231A EP 2887099 A3 EP2887099 A3 EP 2887099A3
Authority
EP
European Patent Office
Prior art keywords
photodetector
pulse counter
microprocessor
light source
led light
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP15154231.3A
Other languages
German (de)
French (fr)
Other versions
EP2887099B1 (en
EP2887099A2 (en
Inventor
Mark S Akselrod
Kent J Dillin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Landauer Inc
Original Assignee
Landauer Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Landauer Inc filed Critical Landauer Inc
Priority claimed from PCT/IB2013/055115 external-priority patent/WO2013190518A2/en
Publication of EP2887099A2 publication Critical patent/EP2887099A2/en
Publication of EP2887099A3 publication Critical patent/EP2887099A3/en
Application granted granted Critical
Publication of EP2887099B1 publication Critical patent/EP2887099B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/02—Dosimeters
    • G01T1/10—Luminescent dosimeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/02—Dosimeters
    • G01T1/10—Luminescent dosimeters
    • G01T1/105—Read-out devices

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Measurement Of Radiation (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Abstract

The invention resides in an apparatus comprising an LED light source (134) for emitting a green illumination light (132) for illuminating an optically stimulated luminescence (OSL) sensor, a photodetector (162) for detecting of green luminescent light emitted by the OSL sensor, a pulse counter for counting photon pulses generated by a photodetector based on photons of luminescent light emitted by the OSL sensor and counted by the photodetector, and a microprocessor (166) for controlling the LED light source and the photodetector and the pulse counter. The microprocessor controls when the LED light source, the photodetector and the pulse counter are switched between an on state and an off state. The pulse counter is part of the microprocessor, and the microprocessor determines a radiation dose of one type of ionizing radiation to which the OSL sensor has been exposed based on the photon pulses counted by the pulse counter.
EP15154231.3A 2012-06-22 2013-06-21 Method and apparatus for determination of uknown radiation dose Active EP2887099B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201261663241P 2012-06-22 2012-06-22
US201261663223P 2012-06-22 2012-06-22
PCT/IB2013/055115 WO2013190518A2 (en) 2012-06-22 2013-06-21 Method and apparatus for fast determination of unknown radiation dose
EP13807146.9A EP2864811B1 (en) 2012-06-22 2013-06-21 Method and apparatus for fast determination of unknown radiation dose

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP13807146.9A Division-Into EP2864811B1 (en) 2012-06-22 2013-06-21 Method and apparatus for fast determination of unknown radiation dose
EP13807146.9A Division EP2864811B1 (en) 2012-06-22 2013-06-21 Method and apparatus for fast determination of unknown radiation dose

Publications (3)

Publication Number Publication Date
EP2887099A2 EP2887099A2 (en) 2015-06-24
EP2887099A3 true EP2887099A3 (en) 2015-08-26
EP2887099B1 EP2887099B1 (en) 2020-01-15

Family

ID=49773617

Family Applications (3)

Application Number Title Priority Date Filing Date
EP13807146.9A Active EP2864811B1 (en) 2012-06-22 2013-06-21 Method and apparatus for fast determination of unknown radiation dose
EP15154231.3A Active EP2887099B1 (en) 2012-06-22 2013-06-21 Method and apparatus for determination of uknown radiation dose
EP13807537.9A Withdrawn EP2864812A4 (en) 2012-06-22 2013-06-21 Osl sensor having a reflective backing

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP13807146.9A Active EP2864811B1 (en) 2012-06-22 2013-06-21 Method and apparatus for fast determination of unknown radiation dose

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP13807537.9A Withdrawn EP2864812A4 (en) 2012-06-22 2013-06-21 Osl sensor having a reflective backing

Country Status (2)

Country Link
US (1) US9329276B2 (en)
EP (3) EP2864811B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018097798A1 (en) * 2016-11-23 2018-05-31 Agency For Science, Technology And Research Light emitting diode communication device, method of forming and operating the same
US20240201400A1 (en) * 2021-04-12 2024-06-20 Georgia Tech Research Corporation Radiation dosimetry using a mobile computing device

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5132543A (en) 1991-01-11 1992-07-21 Science Applications International Corporation Electronic pocket dosimeter
US5114661A (en) * 1991-01-16 1992-05-19 The United States Of America As Represented By The United States Department Of Energy Solid state laser media driven by remote nuclear powered fluorescence
US5567948A (en) 1994-06-03 1996-10-22 Battelle Memorial Institute Composite material dosimeters
EP0781075B1 (en) * 1994-09-08 2001-12-05 Idemitsu Kosan Company Limited Method for sealing organic el element and organic el element
US5962857A (en) * 1995-09-22 1999-10-05 The Board Of Regents For Oklahoma State University Method for the fast determination of an unknown absorbed dose of radiation with high sensitivity using optically stimulated luminescence
US5892234A (en) 1995-09-22 1999-04-06 The Board Of Regents Of Oklahoma State University Method for determining an unknown absorbed dose of radiation using optically stimulated luminescence
US6198108B1 (en) 1997-06-27 2001-03-06 Landauer, Inc. Dosimeter device and method of producing same
US6127685A (en) 1997-06-27 2000-10-03 Landauer, Inc. Dosimeter device including body locator indicia
US7098470B2 (en) 2001-12-04 2006-08-29 Landauer, Inc. Method for non-destructive measuring of radiation dose
JP4398730B2 (en) 2001-12-04 2010-01-13 ランダウアー インコーポレイテッド Aluminum oxide materials for optical data storage
US8115182B1 (en) 2003-02-27 2012-02-14 Gordhanbhai N Patel Personal and area self-indicating radiation alert dosimeter
US7157681B1 (en) 2003-12-16 2007-01-02 Wolfgang Tetzlaff Photomultiplier tube gain stabilization for radiation dosimetry system
US7141804B1 (en) * 2004-02-02 2006-11-28 Landauer, Inc. Detection of neutrons and heavy charged particles
KR100529181B1 (en) 2005-05-27 2005-11-17 주식회사 지스콥 Dosimeter and apparatus to prevent excessive exposure to radiation utilizing the same
US7420187B1 (en) 2005-07-01 2008-09-02 The United States Of America As Represented By The United States Department Of Energy Citizen's dosimeter
JP4599529B2 (en) 2005-08-12 2010-12-15 独立行政法人農業・食品産業技術総合研究機構 Radiation irradiation discrimination method and radiation irradiation discrimination system
JP4513755B2 (en) 2006-01-31 2010-07-28 富士電機システムズ株式会社 Radiation dosimeter
WO2008048921A2 (en) 2006-10-16 2008-04-24 Jp Laboratories, Inc. A self indicating multi-sensor radiation dosimeter
US8178853B2 (en) * 2010-01-12 2012-05-15 Landauer, Inc. Filters for use in dosimetry
KR101548042B1 (en) 2010-04-09 2015-08-27 랜다우어, 인크. Power system for dosimeter reader
WO2012037224A2 (en) * 2010-09-15 2012-03-22 Mele Associates Mobile osl reader and holster
NZ588050A (en) 2010-09-17 2013-03-28 Ind Res Ltd Recording dose information about ionizing radiation absored and stored in a dosimeter

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
J.L. GENICOT ET AL: "Description of a portable devices developed at SCK-CEN for OSL and TL dosimetry", RADIATION MEASUREMENTS, vol. 46, no. 12, 1 December 2011 (2011-12-01), pages 1578 - 1581, XP055200062, ISSN: 1350-4487, DOI: 10.1016/j.radmeas.2011.06.040 *
KULKARNI ET AL: "A versatile integrated system for thermoluminescence and optically stimulated luminescence measurements", NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH, SECTION - B:BEAM INTERACTIONS WITH MATERIALS AND ATOMS, ELSEVIER, AMSTERDAM, NL, vol. 262, no. 2, 18 August 2007 (2007-08-18), pages 348 - 356, XP022206725, ISSN: 0168-583X, DOI: 10.1016/J.NIMB.2007.05.013 *

Also Published As

Publication number Publication date
US20130341515A1 (en) 2013-12-26
EP2864811A2 (en) 2015-04-29
EP2864811A4 (en) 2015-08-12
EP2887099B1 (en) 2020-01-15
EP2864812A2 (en) 2015-04-29
US9329276B2 (en) 2016-05-03
EP2864812A4 (en) 2016-02-24
EP2864811B1 (en) 2019-05-29
EP2887099A2 (en) 2015-06-24

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